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Population balance equation is converted to three moment equations to describe the dynamical behavior of particle size distribution in air in the rainfall. The scavenging coefficient is expressed as a polynomial function of the particle diameter, the raindrop diameter and the raindrop velocity. The evolutions of particle size distribution are simulated numerically and the effects of the raindrop size distribution on particle size distribution are studied. The results show that the raindrops with smaller geometric mean diameter and geometric standard deviation of size remove particles much more efficiently. The particles which fall in the “greenfield gap” are the most difficult to be scavenged from the air.
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 Andronache, C., Estimated Variability of Below-Cloud Aerosol Removal by Rainfall for Observed Aerosol Size Distributions, Atmospheric Chemistry and Physics, 3 (2003), 6, pp. 131-143
 Andronache, C., Diffusion and Electric Charge Contributions to Below-Cloud Wet Removal of Atmospheric Ultra-Fine Aerosol Particles, Journal of Aerosol Science, 35 (2004), 12, pp. 1467-1482
 Andronache, C., et al., Scavenging of Ultrafine Particles by Rainfall at a Boreal Site: Observations and Model Estimations, Atmospheric Chemistry and Physics, 6 (2006), 12, pp. 4739-4754
 Mircea, M., Stefan, S., Fuzzi, S., Precipitation Scavenging Coefficient: Influence of Measured Aerosol and Raindrop Size Distribution, Atmospheric Environment, 34 (2000), 29, pp. 5169-5174
 Lee, K. W., Liu, B. Y., Theoretical Study of Aerosol Filtration by Fibrous Filters, Aerosol Science and Technology, 1 (1982), pp. 147-161
 Bae, S. Y., Jung, C. H., Kim, Y. P., Derivation and Verification of an Aerosol Dynamics Expression for the Below-Cloud Scavenging Process Using the Moment Method, Journal of Aerosol Science, 41 (2010), 3, pp. 266-280